cbcvebase.
CVE-2025-26695
published 2025-03-10

CVE-2025-26695: When requesting an OpenPGP key from a WKD server, an incorrect padding size was used and a network observer could have learned the length of the requested…

medium5.3CVSS 3.1
AVLACLPRLUINSUCLILAL
When requesting an OpenPGP key from a WKD server, an incorrect padding size was used and a network observer could have learned the length of the requested email address. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8.

Affected

8 ranges
VendorProductVersion rangeFixed in
debianthunderbird< thunderbird 1:128.8.0esr-1~deb12u1 (bookworm)thunderbird 1:128.8.0esr-1~deb12u1 (bookworm)
mozillafirefox
mozillathunderbird< 128.8.0128.8.0
mozillathunderbird>= 0 < 1:128.8.0esr-1~deb11u11:128.8.0esr-1~deb11u1
mozillathunderbird>= 0 < 1:128.8.0esr-1~deb12u11:128.8.0esr-1~deb12u1
mozillathunderbird>= 0 < 1:128.8.0esr-11:128.8.0esr-1
mozillathunderbird>= 0 < 1:128.8.0esr-11:128.8.0esr-1
mozillathunderbird>= 129.0 < 136.0136.0

CVSS provenance

nvdv3.15.3MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
osv5.3MEDIUM